Finding the Fourth Proportional to 2,084.32, 3,126.88 and 1,111.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.32 : 3,126.88 = 1,111.51 : x
2. Step 2: Convert to fraction form
   2,084.32/3,126.88 = 1,111.51/x
3. Step 3: Cross multiply
   2,084.32x = 3,126.88 × 1,111.51
4. Step 4: Simplify right side
   2,084.32x = 3,475,537.20
5. Step 5: Solve for x
   x = 3,475,537.20/2,084.32
6. Step 6: Final answer
   x = 1,667.47